Bicycle rack



FIG. 1 is a perspective view of the bicycle rack according to the design;

FIG. 2 is a front elevation view, the rear elevation being identical therewith;

FIG. 3 is a side elevation view;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom plan view. 

The ornamental design for a bicycle rack, as shown and described. 